71621381

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{2441}}^1$

素因数の和:2552

約数の個数: 16

約数和(自身を含む): 80546928

約数和(自身を除く): 8925547

約数列:

[1, 13, 37, 61, 481, 793, 2257, 2441, 29341, 31733, 90317, 148901, 1174121, 1935713, 5509337, 71621381]

約数ペア:

[(1, 71621381), (13, 5509337), (37, 1935713), (61, 1174121), (481, 148901), (793, 90317), (2257, 31733), (2441, 29341)]